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3M 5200FC Marine Adhesive

3M 5200FC Marine Adhesive

6520

In stock

Key Features

  • Exceptionally high-strength, fast-curing polyurethane formulation engineered for permanent structural bonding.
  • Fully rated for critical marine applications both above and below the waterline.
  • Maintains high flexibility to successfully dissipate stress from vibration, shock, swelling, and shrinking.
  • Moisture-curing mechanism achieves handling strength in 24 hours, with full structural cure in 1 to 3 days.
DETAILED DESCRIPTION →
£35.99 GBP
£35.99 GBP
Sale Sold out
Taxes included. Shipping calculated at checkout.

Shipping Information

What Are My Shipping Options?

In-Store Pickup

In-Store pickup is available on all purchase. Pickups are available Monday - Friday between the hours of 9:00–17:00. 

An email confirmation will be sent when your order is ready for collection. 

Free Shipping

We offer free Standard (2-3 Days) shipping on orders within the United Kingdom on orders over £100. Please note, some large items that require specialist courier companies, such as large mirrors and palleted items are excluded from this deal.

Shipping Fees

We also offer shipping at the following rates:

Standard-Size Parcel

Standard (UK Only) - 2-3 Days - £2.99

Express (UK Only) - 1-2 Days - £4.99

International (EU) - 3-7 Days - £14.99

International (ROW) - 5-10+ Days -£23.99


Large Parcel

Standard (UK Only) - 2-3 Days - £2.99

Express (UK Only) - 1-2 Days - £4.99

International (EU) - 3-7 Days - £14.99

International (ROW) - 5-10+ Days - £69.99

Most UK orders will be sent using Royal Mail, with larger items being sent with DPD.

International orders within the EU will normally be dispatched with Royal Mail, DPD, or UPS.

International orders to the rest of the world will normally be sent with DPD or UPS.

Please note, international delivery charges are very volatile and subject to change. We will do everything in our power to honour the delivery fee, however, in some cases, shipping may increase in price. In this event, you will be given the offer to pay the difference or cancel the order and receive a full refund.

Please note, we may be subject to various rules and restrictions in relation to some international deliveries, and you may be subject to additional taxes and duties over which we have no control. If such cases apply, you are responsible for complying with the laws applicable to the country where you live and will be responsible for any such additional costs or taxes.

Dispatch Times

Orders placed before 15:00 Monday - Friday will be shipped on the same day. 

Orders placed after this time will be shipped on the following business day,

Please note, we are closed at weekends, as well as English Bank Holidays.

Returns Policy

Our refund policy can be found at the following address: https://esupplyline.com/policies/refund-policy.

Further Information

You can contact us for further information on our shipping policies using the following:

Phone: 01953 711 881

Email: sales@esupplyline.com

Live Chat: Available on our website, Monday - Friday, 8:30 - 17:00.

Contact Form: https://esupplyline.com/pages/contact

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Description

Fast Curing Polyurethane Technology

3M 5200FC Marine Adhesive Sealant utilises a high-performance, fast-curing polyurethane polymer designed for rapid assembly and demanding marine environments. Unlike standard formulations, this fast-cure variant chemically reacts with ambient moisture to deliver accelerated cross-linking. The medium past consistency ensures excellent handling characteristics during application. It effectively reaches handling strength within 24 hours and achieves a complete structural cure in 1 to 3 days at a depth of 3mm per 24 hours, significantly reducing vessel downtime during maintenance or manufacturing.

Uncompromising Watertight Integrity

Engineered specifically for the rigours of the marine sector, this premium boat hardware sealant provides an impenetrable, watertight barrier against fluid ingress. The cured polyurethane matrix exhibits outstanding resistance to severe weathering, prolonged UV exposure, and constant immersion in salt water. This makes the 3M 5200FC highly suitable for permanently sealing hull joints, through-hull fittings, and structural deck hardware, ensuring the long-term integrity of the vessel whether operated above or continuously below the waterline.

Dynamic Structural Flexibility

Marine vessels are subjected to intense multidirectional forces, requiring adhesives that can accommodate continuous movement. While possessing exceptionally high tensile strength, this marine adhesive sealant remains permanently flexible after curing. This critical elastomeric property allows the bonded joint to absorb and dissipate extreme physical stress caused by engine vibration, hydrodynamic shock, and the natural swelling or shrinking of dissimilar substrates under varying thermal and humidity conditions.

Broad Substrate Compatibility

This industrial-grade urethane sealant offers exceptional chemical adhesion across a wide spectrum of common marine materials. It forms a tenacious structural bond with porous substrates such as wood, as well as non-porous surfaces including gelcoat, fibreglass, and various painted surfaces. The robust adhesion profile eliminates the need for mechanical fasteners in many structural applications, distributing stress evenly across the entire bonded surface area and preventing localised fatigue points.

More Information

Application Instructions

  1. Ensure all target bonding surfaces are completely clean, dry, and entirely free from grease, oil, flaking paint, or particulate debris.
  2. Lightly abrade the substrate if necessary to promote mechanical adhesion, particularly on dense fibreglass or heavily cured gelcoat surfaces.
  3. Puncture the inner seal on the 3M 5200FC cartridge and attach the application nozzle, cutting the plastic tip to the required bead diameter.
  4. Extrude the medium paste sealant using a professional-grade caulking gun, ensuring a continuous, uniform bead to prevent air entrapment within the joint.
  5. Position the boat hardware or join the structural components immediately following the application of the adhesive.
  6. Secure or mechanically clamp the assembly in the correct orientation, allowing the moisture-curing urethane to react with the surrounding environment.
  7. Leave the joint undisturbed to reach handling strength within 24 hours, and allow 1 to 3 days for a complete cure based on the 3mm per 24-hour curing specification.

Specifications

Adhesive Type
Urethane

Brand
3M™

Cure Time
24 hours

Full Cure Time
1 to 3 days (3 mm per 24 hours)

Physical Form
Medium paste

Product Colours
Black, White, Mahogany

Smallest Saleable Unit
Each

Surface Compatibility
Wood, gelcoat, fibreglass, and painted surfaces